Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 435Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 435

BIGFOOT GEAR HOUSING
Disassembly
Water Pump
NOTE: If water tube seal stayed on water tube (inside of drive shaft housing) when gear housing was removed, pull water tube seal from water tube
1Replace water tube seal, if damaged2Remove bolts, washers, and isolators3Remove cover
aWater Tube Seal Bolts (4 each)Cover

IMPORTANT: The circular groove formed by the impeller sealing bead should be disregarded when inspecting cover (Step 5) and plate (Step 9), as the depth 01 the groove will not affect water pump output

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